Home / 86,772.72-130,131.21-27,594.55

Finding the Fourth Proportional to 86,772.72, 130,131.21 and 27,594.55

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Solution

The fourth proportional to 86,772.72, 130,131.21 and 27,594.55 is: 41,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,772.72 : 130,131.21 = 27,594.55 : x
  2. Step 2: Convert to fraction form
    86,772.72/130,131.21 = 27,594.55/x
  3. Step 3: Cross multiply
    86,772.72x = 130,131.21 × 27,594.55
  4. Step 4: Simplify right side
    86,772.72x = 3,590,911,925.84
  5. Step 5: Solve for x
    x = 3,590,911,925.84/86,772.72
  6. Step 6: Final answer
    x = 41,382.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.